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Select the answer for x to the second power = 75 (out of the answers provided) and x to the third power = 16. I'm really struggling!

Select the answer for x to the second power = 75 (out of the answers provided) and x to the third power = 16. I m really struggling! class=

Verified Answer :

answer is a for both questions
\(x^2=75\)
Inverse of squared is square root.  \(x= \sqrt{75}\)
\(x= \sqrt{25*3}\)
\(x=5 \sqrt{3}\)

\(x^3=16\)
\(x= \sqrt[3]{2*2*2*2}\)  prime factorization of 16
\(x=2 \sqrt[3]{2}\)   a set of 3 comes out as one number...i.e. 2